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BIN 377856 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 377856.
What is BIN 377856?
BIN 377856 is on the American Express network.
A Bank Identification Number (BIN, or Issuer Identification Number / IIN) is the first 6 to 8 digits of any payment card. It tells the payment network which institution issued the card, what kind of card it is, and where it was issued. The card runs on the American Express network.
American Express cards begin with 34 or 37 and run on Amex's own closed-loop network.
Merchants, fraud teams, ad platforms and developers use BIN data to route transactions, localize checkout, detect chargebacks and decide which card products they accept. BIN 377856 itself is public metadata — it identifies the issuer, not the cardholder.
BIN 377856, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 377856 break down.
BIN 377856 — frequently asked questions
Which bank issued BIN 377856?
The live registry lookup doesn't currently return a bank name for BIN 377856. The prefix resolves to the American Express network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.
What card network does BIN 377856 run on?
BIN 377856 runs on the American Express network. American Express cards begin with 34 or 37 and run on Amex's own closed-loop network.
Is it legal to look up BIN 377856?
Yes. BIN 377856 is public infrastructure data under the ISO/IEC 7812 standard — it identifies the issuing program, not any cardholder. No personal or account data is involved in a BIN lookup.
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